| 发明名称 |
Test kit for measuring the level of carboxylate anion in engine coolant |
| 摘要 |
A colorimetric method is provided for determining the presence or absence of a corrosion-inhibitory level of carboxylate anion in used aqueous engine coolant.
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| 申请公布号 |
US5952233(A) |
申请公布日期 |
1999.09.14 |
| 申请号 |
US19980040158 |
申请日期 |
1998.03.17 |
| 申请人 |
TEXACO INC. |
发明人 |
PELLET, REGIS J.;BARTLEY, JR., LEONARD S.;VAN DE VEN, PAUL M. V. |
| 分类号 |
G01N31/22;G01N21/78;G01N33/00;(IPC1-7):G01N21/78 |
主分类号 |
G01N31/22 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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